[Boost-users] Re: BOOST_CHECK_EQUAL and operator<<

From: Vladimir Prus (ghost_at_[hidden])
Date: 2005-03-02 08:23:49

Patrick M?zard wrote:

> However, it does not work with typedefed types. Here is a new example :
> 
> //*********************
> #include <boost/test/unit_test.hpp>
> using boost::unit_test::test_suite;
> 
> namespace testns
> {
> 
> typedef std::pair<int, std::string> Test;
> 
> std::ostream& operator<<(std::ostream& o, Test const& t)
> {
>     return o<<t.first<<t.second;
> }

Try writing:

namespace std
{
    std::ostream& operator<<(std::ostream& o, std::pair<int, std::string>
          const& t)
    {
       return o<<t.first<<t.second;
     }
}

I think namespace std is the only place that will be searched for operator<<
(except for boost:: and for boost::test_tools and
boost::test_tools::tt_detail).

- Volodya